Exodus 19:1-3

Complete Jewish Bible

19 (iv) In the third month after the people of Isra’el had left the land of Egypt, the same day they came to the Sinai Desert. ² After setting out from Refidim and arriving at the Sinai Desert, they set up camp in the desert; there in front of the mountain, Isra’el set up camp.

³ Moshe went up to God, and Adonai called to him from the mountain: “Here is what you are to say to the household of Ya‘akov, to tell the people of Isra’el: